[sdiy] Lego synth anyone?

[Ken Stone]

>Hmm that gives me an idea for the 3 LM1894 DNR noise reduction chips I have.
>It works by reducing bandwidth of audio instead of dynamic range like 
>compandors.


>Probably nothing fruitful but interesting experiment even though if I come 
>up with something  really cool, few people would be able to duplicate it 
>since I'm pretty sure the LM1894 was discontinued a long time ago (even 
>though it's a cool system that works pretty well

http://www.national.com/pf/LM/LM1894.html

According to this page, it's just the N variant that is discontinued. Still
available as surface mount.

Ken
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
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